diff --git a/drivers/net/ethernet/ti/davinci_cpdma.c b/drivers/net/ethernet/ti/davinci_cpdma.c index 49dfd592ac1ecd4e0a86d8d5ad01572a97e5c346..a377bc72774084b567642c7dab0e4e89922e4cf6 100644 --- a/drivers/net/ethernet/ti/davinci_cpdma.c +++ b/drivers/net/ethernet/ti/davinci_cpdma.c @@ -64,6 +64,7 @@ #define CPDMA_DESC_TO_PORT_EN BIT(20) #define CPDMA_TO_PORT_SHIFT 16 #define CPDMA_DESC_PORT_MASK (BIT(18) | BIT(17) | BIT(16)) +#define CPDMA_DESC_CRC_LEN 4 #define CPDMA_TEARDOWN_VALUE 0xfffffffc @@ -798,6 +799,10 @@ static int __cpdma_chan_process(struct cpdma_chan *chan) status = -EBUSY; goto unlock_ret; } + + if (status & CPDMA_DESC_PASS_CRC) + outlen -= CPDMA_DESC_CRC_LEN; + status = status & (CPDMA_DESC_EOQ | CPDMA_DESC_TD_COMPLETE | CPDMA_DESC_PORT_MASK);